Bryan and Cherry Alexander / Nenets woman pushing her baby in a cradle on skiis at the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Young Nenets woman using a mobile phone emerging from reindeer skin tent during the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets reindeer skin tent erected in the centre of Nadym as part of the reindeer herders' festival. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets women selling fish at a stall during the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Young Nenets boy sleeping in plastic sled during the Reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Tourists visiting Nenets reindeer festival, having photograph taken with reindeer. Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Tourists riding on a reindeer sled at Nenets reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / An old Antonov II biplane, one of the attractions at the reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets families compete in a traditional clothing competition during the reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets people in traditional costumes at reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets women selling fish during the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets men competing in a lassoing competition at a reindeer herders festival in the Yamal. Western Siberia, Russia

Bryan and Cherry Alexander / Nenets man's traditional decorated malitsa (reindeer skin parka). Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets women shopping for material at a stall during the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets women in traditional costumes at reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Three Mansi women (left to right) Galina Larionova, Valentina Georgimova and Tamara Kalinikova, performing traditional Mansi songs at a reindeer herders' festival in Saranpaul. Khanty-Mansiysk, Wester...

Bryan and Cherry Alexander / Komi men racing their reindeer at a reindeer herders' festival in Saranpaul. Khanty-Mansiysk, Western Siberia, Russia

Bryan and Cherry Alexander / Komi man racing his reindeer while standing up on his sled during a reindeer herders' festival in Saranpaul. Khanty-Mansiysk, Western Siberia, Russia

Bryan and Cherry Alexander / Young Nenets men in traditional clothes at the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets man trying on sunglasses at a stall at the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets men watching a wrestling competition during the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Close up of a Nenets man's belt with a traditional design made with beadwork. At the reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Torgina Romanova, a local Nenets TV reporter, covering the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Close up of the sleeves of a Nenets man's reindeer skin Malitsa (coat) with reindeer skin mittens attached to it. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Young Nenets boy holding balloons at the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets mother with her children at the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Two young Nenets men compete in a wrestling competition during the reindeer herders' festival in Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Nenets women competing in a traditional clothing competition during the reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Young Nenets man on a mobile phone wearing traditional reindeer skin clothing during the reindeer herders' festival at Nadym. Yamal, Western Siberia, Russia

David Kjaer / Great bustard (Otis tarda) 4 year old female (Black 17) with 6 days old chicks - part of a reintroduction project with birds imported under DEFRA licence from Russia. Salisbury Plain, UK May

Nick Upton / Close up of an adult male Great Bustard (Otis tarda) calling. Part of reintroduction project of birds from Russia, Salisbury Plain, Wiltshire, UK, September.

Nick Upton / Head on view of two adult male Great Bustards (Otis tarda) in flight, with the lead bird calling. Part of reintroduction project of birds from Russia, Salisbury Plain, Wiltshire, UK, September.

Nick Upton / Low wide angle close up of an adult male Great Bustard (Otis tarda) calling, with another flying in the background. Part of reintroduction project of birds from Russia. Salisbury Plain, Wiltshire, UK,...

Tatyana Zarubo / Western Capercaillie (Tetrao urogallus) male displaying, Russia

Axel Gebauer / West Caucasian tur (Capra caucasica) getting up, Abago, Kavkazsky Zapovednik, Russia, July,

Axel Gebauer / West Caucasian turs (Capra caucasica) Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Djuga ridge and summits, Western Caucasus Mountains, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) walking in snow, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Western Caucasus Mountains landscape with forest line and snow covered alpine meadows, near Djuga ridge, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) female with kid, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Forest line and mountain landscape, with small European bison (Bison bosanus) herd, Wisent, Western Caucasus near Djuga ridge, Russia, March 2013.

Axel Gebauer / Snowy mountain landscape, with small European bison (Bison bosanus) herd, Wisent, Western Caucasus near Djuga ridge, Russia, March 2013.

Axel Gebauer / Fresh snow on mountains near Krasnaya Polyana, Russia, Western Caucasus Mountains, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) close up of nose, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Western Caucasus Mountains, mountains near Sochi, Russia, March 2013.

Axel Gebauer / Nordmann fir (Abies nordmanniana) stand covered in snow, near Krasnaya Polyana, Western Caucasus Mountains, Russia, March 2013.

Axel Gebauer / Djuga ridge and summits, Western Caucasus Mountains, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) close of feet, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Djuga ridge and summits, Western Caucasus Mountains, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) close up portrait, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / West Caucasian tur (Capra caucasica) close up portrait, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Western Caucasus Mountains with fresh snow overhanging, near Krasnaya Polyana, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) herd, Abago, Kavkazsky Zapovednik, Russia, July.

Dr. Axel Gebauer / Forest line on Western Caucasus Mountains with Nordmann fir (Abies nordmanniana) near Djuga ridge, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) in mixed forest, Djuga, Kavkazsky Zapovednik, west Caucasus Mountains, Adygea, Russia, March.

Dr. Axel Gebauer / Nordmann fir (Abies nordmanniana) forest, with fresh snow, Western Caucasus Mountains, Krasnaya Polyana, Russia, March 2013.

Axel Gebauer / West Caucasian tur (Capra caucasica) herd grazing on mountain slope, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / West Caucasian tur (Capra caucasica) herd grazing on mountain slope, Abago, Kavkazsky Zapovednik, Russia, July.

Axel Gebauer / Forest line on Western Caucasus Mountains with Nordmann fir (Abies nordmanniana) near Djuga ridge, Russia, March 2013.

Roland Seitre / Brown-breasted Hedgehog (Erinaceus europaeus) in defensive posture, Russia

Bryan and Cherry Alexander / Lena Kuboleva, a young Selkup woman, using a sewing machine on the floor of her family's log cabin, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Lena Kuboleva, a young Selkup woman, holding a loaf of traditional Selkup bread she has baked in hot sand, at her family's summer camp in the forest, Krasnoselkup, Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Boreal Forest trees in autumn colour reflected in the River Taz, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / A traditional Selkup shovel for removing pieces of ice from the water while checking fishing nets in a frozen river, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / At a Selkup hunter's winter camp in the forest, a Laika dog has an 'igloo' for shelter, Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / A disused oil/gas drilling derrick near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Sable skins hanging up outside at a Selkup hunter's winter camp near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup man, returns to a winter camp after hunting Capercaille, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Ivan, a Selkup elder, checking his fishing net set under the ice of the Pechalka River in Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Ivan Agichev, an elderly Selkup man, out in the forest in the winter. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Yalena, an elderly Selkup woman holds sable skins caught by her husband at their winter camp in the forest. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Nina Kunina, a Selkup woman, cuts bark from a birch tree to make a traditional basket near Bistrinka. Purovskiy Region, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Ludmilla Kargocheva, a Selkup woman, returns to her home after berry picking in the autumn, Tolka, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Selkup couple, Andrey Kargochev and his wife, Ludmilla, about to go berry picking by boat in the autumn, Tolka, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Portrait of Gennadiy Kubolev, a Selkup elder, at his camp in the forest, Krasnoselkup, Yamal, Wesetrn Siberia, Russia.

Bryan and Cherry Alexander / On an autumn day, Gennadiy Kubolev, a Selkup man, about to go fishing in his 'Anty' (traditional dugout boat) on the River Shirta, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Rita Markova, a young Selkup woman, hangs fish up to smoke and dry over an open fire at a summer camp in the forest, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Rita Markova, a young Selkup woman, at a summer camp in the taiga, with animal pelts drying behind her, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Rita Markova, a young Selkup woman, driving a reindeer sled on the frozen Shirta River, Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Gennadiy Kubolev, using a traditional Selkup shovel to remove pieces of ice from the water while checking a fishing net in a frozen river, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, baiting a trap with fish to catch sable in the forest in winter. Krasnoselkup, Yamal, Western Siberia. Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, setting a trap to catch sable in the forest in winter. Krasnoselkup, Yamal, Western Siberia. Russia 2012

Bryan and Cherry Alexander / Andrey Kargochev, a Selkup elder, prepares to go hunting by boat, Tolka, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / A draught reindeer eating salt from a trough at a Selkup camp in the autumn in boreal forest, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Gennadiy Kubolev, a Selkup man, returns from hunting in the forest carrying his catch of two Capercailles, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Lena Kuboleva, a young Selkup woman, cleans fish while her niece Anastasia watches, at a summer camp in the forest, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Lena Kuboleva, a young Selkup woman, making traditional Selkup bread by baking dough in hot sand at her family's summer camp in the forest, Krasnoselkup, Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Anastasia, a five year old Selkup girl, rocks the cradle of her baby cousin at a summer camp in the forest, Krasnoselkup, Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Valery Irkov, a Selkup hunter, travelling in winter through the forest by reindeer sled near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Sable skins hanging up outside at a Selkup hunter's winter camp near Ratta, Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, rests on his snowmobile while out checking his sable traps in the forest. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / Kosta, a Selkup hunter, driving a snowmobile to check his sable traps in the forest. Krasnoselkup, Yamal, Western Siberia, Russia 2012

Bryan and Cherry Alexander / On an autumn day, Gennadiy Kubolev, a Selkup man, returns from fishing in his 'Anty' (traditional dugout boat) on the River Shirta, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / Gennadiy Kubolev, a Selkup man, sets off along a seismic line cut in the forest to hunt with his dog, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / On an autumn day, Gennadiy Kubolev, a Selkup man, about to go fishing in his 'Anty' (traditional dugout boat) on the River Shirta, Krasnoselkup, Yamal, Western Siberia, Russia

Bryan and Cherry Alexander / A fish (golden eye) being roasted over an open fire at a Selkup summer camp in the forest, Krasnoselkup, Yamal, Western Siberia, Russia